. Key to North American birds [microform] : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland. Birds; Ornithology; Oiseaux; Ornithologie. EXTEBNAL PARTS OF TOPOGBAPHY. 95 (lunch- •I luliilt tgeal or liciwi'cn them is culled tlic interscapularc (fig. 25, 10) ; it is often marked, ua in tlic chipping sparrow, witii streaks or some other distinctive coloration. A part of dorsnin, lying between intcrsoapulare and uropygium, is sometimes recognized as the "l
. Key to North American birds [microform] : containing a concise account of every species of living and fossil bird at present known from the continent north of the Mexican and United States boundary, inclusive of Greenland. Birds; Ornithology; Oiseaux; Ornithologie. EXTEBNAL PARTS OF TOPOGBAPHY. 95 (lunch- •I luliilt tgeal or liciwi'cn them is culled tlic interscapularc (fig. 25, 10) ; it is often marked, ua in tlic chipping sparrow, witii streaks or some other distinctive coloration. A part of dorsnin, lying between intcrsoapulare and uropygium, is sometimes recognized as the "lower back" (Lat. tergi<m\; but this distinction is not practically useful. To uropygium probably also belong tlie feathers of tii(^ pteryla- femorales, or at any rate those are commonly ijicluded with the rump in descrip- tions; but they more properly represent the flanks (Lat. ilia, or hi/pochondria) ; that is, sides (if the rump. They arc sometimes the seat of largely developed or otherwise iwculiarly iiiixlified feathers, as the snowy flaiik plumes of the white-bellied swift {Pawjptila saxatilis) or violet-green swallow (Tachycineta thalassina), which meet over the rump. The whole of iKita'um, taken together with the upper surfaces of the wings, is called the mantle (Lat. stragu- liim, a cloak); often a convenient term, as in describing gulls and terns for example. In like manner, the 47 481. Fio. 25 — Topography of u Bird. 1, forehead (/Vons). 2, lore. 3, circumocular region. 4, crown {vertex), a, eye. 6, hind head (occipuO. 7, nape (nucAa). 8, hind neck (cerria^). 9, Bide of neck. 10, Interscapular region. II, ilorstim, or back proiier, Including 10. 12, notaum, or ui)pcr part of body proper, Including 10, 11, and 13. , rump {uropygium). 14, upper tall-coverts. 15, tall. 16, under tall-coverts (triisum). 17, tarsus. 18, abdo- iiion. 1!), hind toe (). 20, (/nWrrewm, Including 18 and 24. 21, outer or fourth toe. 22, middle or third toe. 'A eldo of the
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884
